#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
	freopen("employ.in", "r", stdin);
	freopen("employ.out", "w", stdout);
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cout << 0 << '\n';
	return 0;
}

